This monograph explores the capabilities of ultrasound imaging in patients with oncological urological conditions. It presents the latest international classification of tumors in these regions. For the first time, the book consolidates extensive practical experience in using ultrasound techniques for both standard and complex diagnostic scenarios in oncological urology. It details ultrasound examination methods and the sonographic features of tumors in the kidneys, bladder, prostate, ureters, urethra, testes, penis, and adrenal glands. Special emphasis is placed on the application of ultrasound in primary, differential, and confirmatory diagnosis of urological cancers. The advantages of minimally invasive diagnostic procedures under ultrasound guidance are highlighted. This monograph is intended for ultrasound specialists, oncologists, urologists, abdominal surgeons, radiologists, general practitioners, endocrinologists, as well as educators and senior students in medical universities and faculties.